207668853

素因数分解:

$3^4\times 7^1\times {\mathrm{366259}}^1$

素因数の和:366278

約数の個数: 20

約数和(自身を含む): 354539680

約数和(自身を除く): 146870827

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 366259, 1098777, 2563813, 3296331, 7691439, 9888993, 23074317, 29666979, 69222951, 207668853]

約数ペア:

[(1, 207668853), (3, 69222951), (7, 29666979), (9, 23074317), (21, 9888993), (27, 7691439), (63, 3296331), (81, 2563813), (189, 1098777), (567, 366259)]